quot.c revision 114601
112032Speter/* 212032Speter * Copyright (C) 1991, 1994 Wolfgang Solfrank. 312032Speter * Copyright (C) 1991, 1994 TooLs GmbH. 412032Speter * All rights reserved. 512032Speter * 612032Speter * Redistribution and use in source and binary forms, with or without 712032Speter * modification, are permitted provided that the following conditions 812032Speter * are met: 912032Speter * 1. Redistributions of source code must retain the above copyright 1012032Speter * notice, this list of conditions and the following disclaimer. 1112032Speter * 2. Redistributions in binary form must reproduce the above copyright 1212032Speter * notice, this list of conditions and the following disclaimer in the 1312032Speter * documentation and/or other materials provided with the distribution. 1412032Speter * 3. All advertising materials mentioning features or use of this software 1512032Speter * must display the following acknowledgement: 1612032Speter * This product includes software developed by TooLs GmbH. 1712032Speter * 4. The name of TooLs GmbH may not be used to endorse or promote products 1812032Speter * derived from this software without specific prior written permission. 1912032Speter * 2012032Speter * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 2112032Speter * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2212032Speter * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2312032Speter * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2412032Speter * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2512032Speter * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 2612032Speter * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 2712032Speter * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 2812032Speter * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 2912032Speter * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3012032Speter */ 3112032Speter 32114601Sobrien#include <sys/cdefs.h> 33114601Sobrien__FBSDID("$FreeBSD: head/usr.sbin/quot/quot.c 114601 2003-05-03 21:06:42Z obrien $"); 3412032Speter 3512032Speter#include <sys/param.h> 3696638Sdes#include <sys/stdint.h> 3712032Speter#include <sys/mount.h> 3896479Sphk#include <sys/disklabel.h> 3912032Speter#include <sys/time.h> 4098542Smckusick#include <ufs/ufs/dinode.h> 4112032Speter#include <ufs/ffs/fs.h> 4212032Speter 4330262Scharnier#include <err.h> 4430262Scharnier#include <fcntl.h> 4574071Sps#include <fstab.h> 4630262Scharnier#include <errno.h> 4769793Sobrien#include <paths.h> 4830262Scharnier#include <pwd.h> 4912032Speter#include <stdio.h> 5012032Speter#include <stdlib.h> 5112032Speter#include <string.h> 5230262Scharnier#include <unistd.h> 5312032Speter 5412032Speter/* some flags of what to do: */ 5512032Speterstatic char estimate; 5612032Speterstatic char count; 5712032Speterstatic char unused; 5887554Smikehstatic void (*func)(int, struct fs *, char *); 5912032Speterstatic long blocksize; 6012032Speterstatic char *header; 61108458Smikestatic int headerlen; 6212032Speter 6398542Smckusickstatic union dinode *get_inode(int, struct fs *, ino_t); 6498542Smckusickstatic int virtualblocks(struct fs *, union dinode *); 6598542Smckusickstatic int isfree(struct fs *, union dinode *); 6687554Smikehstatic void inituser(void); 6787554Smikehstatic void usrrehash(void); 6887554Smikehstatic struct user *user(uid_t); 6987554Smikehstatic int cmpusers(const void *, const void *); 7087554Smikehstatic void uses(uid_t, daddr_t, time_t); 7187554Smikehstatic void initfsizes(void); 7287554Smikehstatic void dofsizes(int, struct fs *, char *); 7387554Smikehstatic void douser(int, struct fs *, char *); 7487554Smikehstatic void donames(int, struct fs *, char *); 7587554Smikehstatic void usage(void); 7687554Smikehstatic void quot(char *, char *); 7787554Smikeh 7812032Speter/* 7912032Speter * Original BSD quot doesn't round to number of frags/blocks, 8012032Speter * doesn't account for indirection blocks and gets it totally 8112032Speter * wrong if the size is a multiple of the blocksize. 8212032Speter * The new code always counts the number of 512 byte blocks 8312032Speter * instead of the number of kilobytes and converts them to 8412032Speter * kByte when done (on request). 8541727Sdillon * 8641727Sdillon * Due to the size of modern disks, we must cast intermediate 8741727Sdillon * values to 64 bits to prevent potential overflows. 8812032Speter */ 8912032Speter#ifdef COMPAT 9012032Speter#define SIZE(n) (n) 9112032Speter#else 9241727Sdillon#define SIZE(n) ((int)(((quad_t)(n) * 512 + blocksize - 1)/blocksize)) 9312032Speter#endif 9412032Speter 9512032Speter#define INOCNT(fs) ((fs)->fs_ipg) 9698542Smckusick#define INOSZ(fs) \ 9798542Smckusick (((fs)->fs_magic == FS_UFS1_MAGIC ? sizeof(struct ufs1_dinode) : \ 9898542Smckusick sizeof(struct ufs2_dinode)) * INOCNT(fs)) 9912032Speter 10098542Smckusickunion dinode { 10198542Smckusick struct ufs1_dinode dp1; 10298542Smckusick struct ufs2_dinode dp2; 10398542Smckusick}; 10498542Smckusick#define DIP(fs, dp, field) \ 10598542Smckusick (((fs)->fs_magic == FS_UFS1_MAGIC) ? \ 10698542Smckusick (dp)->dp1.field : (dp)->dp2.field) 10798542Smckusick 10898542Smckusickstatic union dinode * 10930262Scharnierget_inode(fd,super,ino) 11087554Smikeh int fd; 11112032Speter struct fs *super; 11212032Speter ino_t ino; 11312032Speter{ 11498542Smckusick static caddr_t ipbuf; 11512032Speter static ino_t last; 11612032Speter 11712032Speter if (fd < 0) { /* flush cache */ 11898542Smckusick if (ipbuf) { 11998542Smckusick free(ipbuf); 12098542Smckusick ipbuf = 0; 12112032Speter } 12212032Speter return 0; 12312032Speter } 12412032Speter 12598542Smckusick if (!ipbuf || ino < last || ino >= last + INOCNT(super)) { 12698542Smckusick if (!ipbuf 12798542Smckusick && !(ipbuf = malloc(INOSZ(super)))) 12830262Scharnier errx(1, "allocate inodes"); 12912032Speter last = (ino / INOCNT(super)) * INOCNT(super); 13028160Sjkh if (lseek(fd, (off_t)ino_to_fsba(super, last) << super->fs_fshift, 0) < (off_t)0 13198542Smckusick || read(fd, ipbuf, INOSZ(super)) != (ssize_t)INOSZ(super)) 13230262Scharnier err(1, "read inodes"); 13312032Speter } 13412032Speter 13598542Smckusick if (super->fs_magic == FS_UFS1_MAGIC) 13698542Smckusick return ((union dinode *) 13798542Smckusick &((struct ufs1_dinode *)ipbuf)[ino % INOCNT(super)]); 13898542Smckusick return ((union dinode *) 13998542Smckusick &((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)]); 14012032Speter} 14112032Speter 14212032Speter#ifdef COMPAT 14398542Smckusick#define actualblocks(fs, dp) (DIP(fs, dp, di_blocks) / 2) 14412032Speter#else 14598542Smckusick#define actualblocks(fs, dp) DIP(fs, dp, di_blocks) 14612032Speter#endif 14712032Speter 14898542Smckusickstatic int virtualblocks(super, dp) 14912032Speter struct fs *super; 15098542Smckusick union dinode *dp; 15112032Speter{ 15212032Speter register off_t nblk, sz; 15312032Speter 15498542Smckusick sz = DIP(super, dp, di_size); 15512032Speter#ifdef COMPAT 15612032Speter if (lblkno(super,sz) >= NDADDR) { 15712032Speter nblk = blkroundup(super,sz); 15812032Speter if (sz == nblk) 15912032Speter nblk += super->fs_bsize; 16012032Speter } 16112032Speter 16212032Speter return sz / 1024; 16312032Speter 16412032Speter#else /* COMPAT */ 16512032Speter 16612032Speter if (lblkno(super,sz) >= NDADDR) { 16712032Speter nblk = blkroundup(super,sz); 16812032Speter sz = lblkno(super,nblk); 16912032Speter sz = (sz - NDADDR + NINDIR(super) - 1) / NINDIR(super); 17012032Speter while (sz > 0) { 17112032Speter nblk += sz * super->fs_bsize; 17212032Speter /* sz - 1 rounded up */ 17312032Speter sz = (sz - 1 + NINDIR(super) - 1) / NINDIR(super); 17412032Speter } 17512032Speter } else 17612032Speter nblk = fragroundup(super,sz); 17712032Speter 17812032Speter return nblk / 512; 17912032Speter#endif /* COMPAT */ 18012032Speter} 18112032Speter 18230262Scharnierstatic int 18398542Smckusickisfree(super, dp) 18498542Smckusick struct fs *super; 18598542Smckusick union dinode *dp; 18612032Speter{ 18712032Speter#ifdef COMPAT 18898542Smckusick return (DIP(super, dp, di_mode) & IFMT) == 0; 18912032Speter#else /* COMPAT */ 19012032Speter 19198542Smckusick switch (DIP(super, dp, di_mode) & IFMT) { 19212032Speter case IFIFO: 19312032Speter case IFLNK: /* should check FASTSYMLINK? */ 19412032Speter case IFDIR: 19512032Speter case IFREG: 19612032Speter return 0; 19712032Speter default: 19812032Speter return 1; 19912032Speter } 20012032Speter#endif 20112032Speter} 20212032Speter 20312032Speterstatic struct user { 20412032Speter uid_t uid; 20512032Speter char *name; 20612032Speter daddr_t space; 20712032Speter long count; 20812032Speter daddr_t spc30; 20912032Speter daddr_t spc60; 21012032Speter daddr_t spc90; 21112032Speter} *users; 21212032Speterstatic int nusers; 21312032Speter 21430262Scharnierstatic void 21530262Scharnierinituser() 21612032Speter{ 21787554Smikeh register int i; 21812032Speter register struct user *usr; 21912032Speter 22012032Speter if (!nusers) { 22112032Speter nusers = 8; 22212032Speter if (!(users = 22330262Scharnier (struct user *)calloc(nusers,sizeof(struct user)))) 22430262Scharnier errx(1, "allocate users"); 22512032Speter } else { 22612032Speter for (usr = users, i = nusers; --i >= 0; usr++) { 22712032Speter usr->space = usr->spc30 = usr->spc60 = usr->spc90 = 0; 22812032Speter usr->count = 0; 22912032Speter } 23012032Speter } 23112032Speter} 23212032Speter 23330262Scharnierstatic void 23430262Scharnierusrrehash() 23512032Speter{ 23687554Smikeh register int i; 23712032Speter register struct user *usr, *usrn; 23812032Speter struct user *svusr; 23912032Speter 24012032Speter svusr = users; 24112032Speter nusers <<= 1; 24230262Scharnier if (!(users = (struct user *)calloc(nusers,sizeof(struct user)))) 24330262Scharnier errx(1, "allocate users"); 24412032Speter for (usr = svusr, i = nusers >> 1; --i >= 0; usr++) { 24512032Speter for (usrn = users + (usr->uid&(nusers - 1)); usrn->name; 24612032Speter usrn--) { 24712032Speter if (usrn <= users) 24812032Speter usrn = users + nusers; 24912032Speter } 25012032Speter *usrn = *usr; 25112032Speter } 25212032Speter} 25312032Speter 25430262Scharnierstatic struct user * 25530262Scharnieruser(uid) 25612032Speter uid_t uid; 25712032Speter{ 25812032Speter register struct user *usr; 25987554Smikeh register int i; 26012032Speter struct passwd *pwd; 26112032Speter 26212032Speter while (1) { 26312032Speter for (usr = users + (uid&(nusers - 1)), i = nusers; --i >= 0; 26412032Speter usr--) { 26512032Speter if (!usr->name) { 26612032Speter usr->uid = uid; 26712032Speter 26812032Speter if (!(pwd = getpwuid(uid))) { 26930262Scharnier if ((usr->name = (char *)malloc(7))) 27012032Speter sprintf(usr->name,"#%d",uid); 27112032Speter } else { 27230262Scharnier if ((usr->name = (char *) 27330262Scharnier malloc(strlen(pwd->pw_name) + 1))) 27412032Speter strcpy(usr->name,pwd->pw_name); 27512032Speter } 27630262Scharnier if (!usr->name) 27730262Scharnier errx(1, "allocate users"); 27812032Speter 27912032Speter return usr; 28012032Speter 28112032Speter } else if (usr->uid == uid) 28212032Speter return usr; 28312032Speter 28412032Speter if (usr <= users) 28512032Speter usr = users + nusers; 28612032Speter } 28712032Speter usrrehash(); 28812032Speter } 28912032Speter} 29012032Speter 29130262Scharnierstatic int 29287554Smikehcmpusers(v1,v2) 29387554Smikeh const void *v1, *v2; 29412032Speter{ 29587554Smikeh const struct user *u1, *u2; 29687554Smikeh u1 = (const struct user *)v1; 29787554Smikeh u2 = (const struct user *)v2; 29887554Smikeh 29912032Speter return u2->space - u1->space; 30012032Speter} 30112032Speter 30212032Speter#define sortusers(users) (qsort((users),nusers,sizeof(struct user), \ 30312032Speter cmpusers)) 30412032Speter 30530262Scharnierstatic void 30630262Scharnieruses(uid,blks,act) 30712032Speter uid_t uid; 30812032Speter daddr_t blks; 30912032Speter time_t act; 31012032Speter{ 31112032Speter static time_t today; 31212032Speter register struct user *usr; 31312032Speter 31412032Speter if (!today) 31512032Speter time(&today); 31612032Speter 31712032Speter usr = user(uid); 31812032Speter usr->count++; 31912032Speter usr->space += blks; 32012032Speter 32112032Speter if (today - act > 90L * 24L * 60L * 60L) 32212032Speter usr->spc90 += blks; 32312032Speter if (today - act > 60L * 24L * 60L * 60L) 32412032Speter usr->spc60 += blks; 32512032Speter if (today - act > 30L * 24L * 60L * 60L) 32612032Speter usr->spc30 += blks; 32712032Speter} 32812032Speter 32912032Speter#ifdef COMPAT 33012032Speter#define FSZCNT 500 33112032Speter#else 33212032Speter#define FSZCNT 512 33312032Speter#endif 33412032Speterstruct fsizes { 33512032Speter struct fsizes *fsz_next; 33612032Speter daddr_t fsz_first, fsz_last; 33712032Speter ino_t fsz_count[FSZCNT]; 33812032Speter daddr_t fsz_sz[FSZCNT]; 33912032Speter} *fsizes; 34012032Speter 34130262Scharnierstatic void 34230262Scharnierinitfsizes() 34312032Speter{ 34412032Speter register struct fsizes *fp; 34587554Smikeh register int i; 34612032Speter 34712032Speter for (fp = fsizes; fp; fp = fp->fsz_next) { 34812032Speter for (i = FSZCNT; --i >= 0;) { 34912032Speter fp->fsz_count[i] = 0; 35012032Speter fp->fsz_sz[i] = 0; 35112032Speter } 35212032Speter } 35312032Speter} 35412032Speter 35530262Scharnierstatic void 35698542Smckusickdofsizes(fd, super, name) 35787554Smikeh int fd; 35812032Speter struct fs *super; 35912032Speter char *name; 36012032Speter{ 36112032Speter ino_t inode, maxino; 36298542Smckusick union dinode *dp; 36312032Speter daddr_t sz, ksz; 36412032Speter struct fsizes *fp, **fsp; 36587554Smikeh register int i; 36612032Speter 36712032Speter maxino = super->fs_ncg * super->fs_ipg - 1; 36812032Speter#ifdef COMPAT 36930262Scharnier if (!(fsizes = (struct fsizes *)malloc(sizeof(struct fsizes)))) 37053764Scharnier errx(1, "allocate fsize structure"); 37112032Speter#endif /* COMPAT */ 37212032Speter for (inode = 0; inode < maxino; inode++) { 37312032Speter errno = 0; 37498542Smckusick if ((dp = get_inode(fd,super,inode)) 37512032Speter#ifdef COMPAT 37698542Smckusick && ((DIP(super, dp, di_mode) & IFMT) == IFREG 37798542Smckusick || (DIP(super, dp, di_mode) & IFMT) == IFDIR) 37812032Speter#else /* COMPAT */ 37998542Smckusick && !isfree(super, dp) 38012032Speter#endif /* COMPAT */ 38112032Speter ) { 38298542Smckusick sz = estimate ? virtualblocks(super, dp) : 38398542Smckusick actualblocks(super, dp); 38412032Speter#ifdef COMPAT 38512032Speter if (sz >= FSZCNT) { 38612032Speter fsizes->fsz_count[FSZCNT-1]++; 38712032Speter fsizes->fsz_sz[FSZCNT-1] += sz; 38812032Speter } else { 38912032Speter fsizes->fsz_count[sz]++; 39012032Speter fsizes->fsz_sz[sz] += sz; 39112032Speter } 39212032Speter#else /* COMPAT */ 39312032Speter ksz = SIZE(sz); 39430262Scharnier for (fsp = &fsizes; (fp = *fsp); fsp = &fp->fsz_next) { 39512032Speter if (ksz < fp->fsz_last) 39612032Speter break; 39712032Speter } 39812032Speter if (!fp || ksz < fp->fsz_first) { 39912032Speter if (!(fp = (struct fsizes *) 40030262Scharnier malloc(sizeof(struct fsizes)))) 40153764Scharnier errx(1, "allocate fsize structure"); 40212032Speter fp->fsz_next = *fsp; 40312032Speter *fsp = fp; 40412032Speter fp->fsz_first = (ksz / FSZCNT) * FSZCNT; 40512032Speter fp->fsz_last = fp->fsz_first + FSZCNT; 40612032Speter for (i = FSZCNT; --i >= 0;) { 40712032Speter fp->fsz_count[i] = 0; 40812032Speter fp->fsz_sz[i] = 0; 40912032Speter } 41012032Speter } 41112032Speter fp->fsz_count[ksz % FSZCNT]++; 41212032Speter fp->fsz_sz[ksz % FSZCNT] += sz; 41312032Speter#endif /* COMPAT */ 41412032Speter } else if (errno) { 41530262Scharnier err(1, "%s", name); 41612032Speter } 41712032Speter } 41812032Speter sz = 0; 41912032Speter for (fp = fsizes; fp; fp = fp->fsz_next) { 42012032Speter for (i = 0; i < FSZCNT; i++) { 42112032Speter if (fp->fsz_count[i]) 42296638Sdes printf("%jd\t%jd\t%d\n", 42396638Sdes (intmax_t)(fp->fsz_first + i), 42496638Sdes (intmax_t)fp->fsz_count[i], 42512032Speter SIZE(sz += fp->fsz_sz[i])); 42612032Speter } 42712032Speter } 42812032Speter} 42912032Speter 43030262Scharnierstatic void 43198542Smckusickdouser(fd, super, name) 43287554Smikeh int fd; 43312032Speter struct fs *super; 43412032Speter char *name; 43512032Speter{ 43612032Speter ino_t inode, maxino; 43712032Speter struct user *usr, *usrs; 43898542Smckusick union dinode *dp; 43987554Smikeh register int n; 44012032Speter 44112032Speter maxino = super->fs_ncg * super->fs_ipg - 1; 44212032Speter for (inode = 0; inode < maxino; inode++) { 44312032Speter errno = 0; 44498542Smckusick if ((dp = get_inode(fd,super,inode)) 44598542Smckusick && !isfree(super, dp)) 44698542Smckusick uses(DIP(super, dp, di_uid), 44798542Smckusick estimate ? virtualblocks(super, dp) : 44898542Smckusick actualblocks(super, dp), 44998542Smckusick DIP(super, dp, di_atime)); 45012032Speter else if (errno) { 45130262Scharnier err(1, "%s", name); 45212032Speter } 45312032Speter } 45430262Scharnier if (!(usrs = (struct user *)malloc(nusers * sizeof(struct user)))) 45530262Scharnier errx(1, "allocate users"); 45612032Speter bcopy(users,usrs,nusers * sizeof(struct user)); 45712032Speter sortusers(usrs); 45812032Speter for (usr = usrs, n = nusers; --n >= 0 && usr->count; usr++) { 45912032Speter printf("%5d",SIZE(usr->space)); 46012032Speter if (count) 46187554Smikeh printf("\t%5ld",usr->count); 46212032Speter printf("\t%-8s",usr->name); 46312032Speter if (unused) 46412032Speter printf("\t%5d\t%5d\t%5d", 46512032Speter SIZE(usr->spc30), 46612032Speter SIZE(usr->spc60), 46712032Speter SIZE(usr->spc90)); 46812032Speter printf("\n"); 46912032Speter } 47012032Speter free(usrs); 47112032Speter} 47212032Speter 47330262Scharnierstatic void 47498542Smckusickdonames(fd, super, name) 47587554Smikeh int fd; 47612032Speter struct fs *super; 47712032Speter char *name; 47812032Speter{ 47912032Speter int c; 48012032Speter ino_t inode, inode1; 48112032Speter ino_t maxino; 48298542Smckusick union dinode *dp; 48312032Speter 48412032Speter maxino = super->fs_ncg * super->fs_ipg - 1; 48512032Speter /* first skip the name of the filesystem */ 48612032Speter while ((c = getchar()) != EOF && (c < '0' || c > '9')) 48712032Speter while ((c = getchar()) != EOF && c != '\n'); 48812032Speter ungetc(c,stdin); 48912032Speter inode1 = -1; 49087554Smikeh while (scanf("%u",&inode) == 1) { 49187554Smikeh if (inode > maxino) { 49230262Scharnier warnx("illegal inode %d",inode); 49312032Speter return; 49412032Speter } 49512032Speter errno = 0; 49698542Smckusick if ((dp = get_inode(fd,super,inode)) 49798542Smckusick && !isfree(super, dp)) { 49898542Smckusick printf("%s\t",user(DIP(super, dp, di_uid))->name); 49912032Speter /* now skip whitespace */ 50012032Speter while ((c = getchar()) == ' ' || c == '\t'); 50112032Speter /* and print out the remainder of the input line */ 50212032Speter while (c != EOF && c != '\n') { 50312032Speter putchar(c); 50412032Speter c = getchar(); 50512032Speter } 50612032Speter putchar('\n'); 50712032Speter inode1 = inode; 50812032Speter } else { 50912032Speter if (errno) { 51030262Scharnier err(1, "%s", name); 51112032Speter } 51212032Speter /* skip this line */ 51312032Speter while ((c = getchar()) != EOF && c != '\n'); 51412032Speter } 51512032Speter if (c == EOF) 51612032Speter break; 51712032Speter } 51812032Speter} 51912032Speter 52030262Scharnierstatic void 52130262Scharnierusage() 52212032Speter{ 52312032Speter#ifdef COMPAT 52430262Scharnier fprintf(stderr,"usage: quot [-nfcvha] [filesystem ...]\n"); 52512032Speter#else /* COMPAT */ 52653764Scharnier fprintf(stderr,"usage: quot [-acfhknv] [filesystem ...]\n"); 52712032Speter#endif /* COMPAT */ 52812032Speter exit(1); 52912032Speter} 53012032Speter 53198542Smckusick/* 53298542Smckusick * Possible superblock locations ordered from most to least likely. 53398542Smckusick */ 53498542Smckusickstatic int sblock_try[] = SBLOCKSEARCH; 53598542Smckusickstatic char superblock[SBLOCKSIZE]; 53612032Speter 53730262Scharniervoid 53812032Speterquot(name,mp) 53912032Speter char *name, *mp; 54012032Speter{ 54198542Smckusick int i, fd; 54298542Smckusick struct fs *fs; 54312032Speter 54487554Smikeh get_inode(-1, NULL, 0); /* flush cache */ 54512032Speter inituser(); 54612032Speter initfsizes(); 54798542Smckusick if ((fd = open(name,0)) < 0) { 54830262Scharnier warn("%s", name); 54912032Speter close(fd); 55012032Speter return; 55112032Speter } 55298542Smckusick for (i = 0; sblock_try[i] != -1; i++) { 55398542Smckusick if (lseek(fd, sblock_try[i], 0) != sblock_try[i]) { 55498542Smckusick close(fd); 55598542Smckusick return; 55698542Smckusick } 55798542Smckusick if (read(fd, superblock, SBLOCKSIZE) != SBLOCKSIZE) { 55898542Smckusick close(fd); 55998542Smckusick return; 56098542Smckusick } 56198542Smckusick fs = (struct fs *)superblock; 56298542Smckusick if ((fs->fs_magic == FS_UFS1_MAGIC || 56398542Smckusick (fs->fs_magic == FS_UFS2_MAGIC && 564114009Stjr fs->fs_sblockloc == sblock_try[i])) && 56598542Smckusick fs->fs_bsize <= MAXBSIZE && 56698542Smckusick fs->fs_bsize >= sizeof(struct fs)) 56798542Smckusick break; 56898542Smckusick } 56998542Smckusick if (sblock_try[i] == -1) { 57030262Scharnier warnx("%s: not a BSD filesystem",name); 57112032Speter close(fd); 57212032Speter return; 57312032Speter } 57412032Speter printf("%s:",name); 57512032Speter if (mp) 57612032Speter printf(" (%s)",mp); 57712032Speter putchar('\n'); 57898542Smckusick (*func)(fd, fs, name); 57912032Speter close(fd); 58012032Speter} 58112032Speter 58230262Scharnierint 58330262Scharniermain(argc,argv) 58487554Smikeh int argc; 58512032Speter char **argv; 58612032Speter{ 58712032Speter char all = 0; 58812032Speter struct statfs *mp; 58974071Sps struct fstab *fs; 59012032Speter char dev[MNAMELEN + 1]; 59112032Speter char *nm; 59212032Speter int cnt; 59312032Speter 59412032Speter func = douser; 59512032Speter#ifndef COMPAT 59612032Speter header = getbsize(&headerlen,&blocksize); 59712032Speter#endif 59812032Speter while (--argc > 0 && **++argv == '-') { 59912032Speter while (*++*argv) { 60012032Speter switch (**argv) { 60112032Speter case 'n': 60212032Speter func = donames; 60312032Speter break; 60412032Speter case 'c': 60512032Speter func = dofsizes; 60612032Speter break; 60712032Speter case 'a': 60812032Speter all = 1; 60912032Speter break; 61012032Speter case 'f': 61112032Speter count = 1; 61212032Speter break; 61312032Speter case 'h': 61412032Speter estimate = 1; 61512032Speter break; 61612032Speter#ifndef COMPAT 61712032Speter case 'k': 61812032Speter blocksize = 1024; 61912032Speter break; 62012032Speter#endif /* COMPAT */ 62112032Speter case 'v': 62212032Speter unused = 1; 62312032Speter break; 62412032Speter default: 62512032Speter usage(); 62612032Speter } 62712032Speter } 62812032Speter } 62912032Speter if (all) { 63012032Speter cnt = getmntinfo(&mp,MNT_NOWAIT); 63112032Speter for (; --cnt >= 0; mp++) { 63232595Sbde if (!strncmp(mp->f_fstypename, "ufs", MFSNAMELEN)) { 63330262Scharnier if ((nm = strrchr(mp->f_mntfromname,'/'))) { 63469793Sobrien sprintf(dev,"%s%s",_PATH_DEV,nm + 1); 63512032Speter nm = dev; 63612032Speter } else 63712032Speter nm = mp->f_mntfromname; 63812032Speter quot(nm,mp->f_mntonname); 63912032Speter } 64012032Speter } 64112032Speter } 64274071Sps while (--argc >= 0) { 64374071Sps if ((fs = getfsfile(*argv)) != NULL) 64474071Sps quot(fs->fs_spec, 0); 64574071Sps else 64674071Sps quot(*argv,0); 64774071Sps argv++; 64874071Sps } 64912032Speter return 0; 65012032Speter} 651